diff --git a/packages/plugin-sdk/PLUGIN-GUIDE.md b/packages/plugin-sdk/PLUGIN-GUIDE.md
index 4bcd861d6..9c219fed9 100644
--- a/packages/plugin-sdk/PLUGIN-GUIDE.md
+++ b/packages/plugin-sdk/PLUGIN-GUIDE.md
@@ -105,7 +105,7 @@ Before you call a change finished:
 - [ ] `npm run build` passes
 - [ ] `npm run format:check` passes
 - [ ] `npx termix-plugin migrations --check` passes (you ran `npm run migrations` after changing tables)
-- [ ] New strings are in `locales/en.json`
+- [ ] New strings are in `locales/en.json`, and `plugin.name` / `plugin.description` match the manifest
 - [ ] New routes have an `@openapi` block and a test, including without the permission
 - [ ] New env vars are listed in `env` in the manifest
 - [ ] `docs/` and the "About this plugin" section of `AGENTS.md` still match what the plugin does
@@ -538,6 +538,20 @@ Plurals use `_one` and `_other` with `t("hosts", { count })`. Other languages go
 `locales/translated/<code>.json` (like `de_DE.json`) with the same keys. Keep `{{placeholders}}` as they are.
 Untranslated strings show in English.
 
+Termix shows your plugin's name and description in the plugin manager, the setup picker and settings.
+Put them in `locales/en.json` as `plugin.name` and `plugin.description`, with the same text as `name` and
+`description` in the manifest, so they get translated too. Without them, the English manifest text shows in
+every language.
+
+```json
+{
+  "plugin": {
+    "name": "Host Metrics",
+    "description": "Live CPU, memory, disk, network and GPU stats."
+  }
+}
+```
+
 ## Docs
 
 `docs/index.md` is the first page: what the plugin does in a sentence or two, how to turn it on, how to use
diff --git a/src/ui/lib/plugin-i18n.ts b/src/ui/lib/plugin-i18n.ts
index 9b9dda30e..1e85c8b65 100644
--- a/src/ui/lib/plugin-i18n.ts
+++ b/src/ui/lib/plugin-i18n.ts
@@ -1,3 +1,5 @@
+import type { TFunction } from "i18next";
+
 /**
  * Where a plugin's i18n keys resolve from.
  *
@@ -19,3 +21,25 @@ export function pluginKey(
   if (!key) return key;
   return key.includes(":") ? key : `${pluginId}:${key}`;
 }
+
+/**
+ * A plugin's name in the UI language: "plugin.name" from its own locales,
+ * else the manifest's. A plugin whose strings are not loaded, like one only
+ * listed in a registry, shows the manifest name.
+ */
+export function pluginName(
+  t: TFunction,
+  plugin: { id: string; name: string },
+): string {
+  return t(pluginKey(plugin.id, "plugin.name"), { defaultValue: plugin.name });
+}
+
+/** Same as pluginName, for "plugin.description". */
+export function pluginDescription(
+  t: TFunction,
+  plugin: { id: string; description?: string | null },
+): string {
+  return t(pluginKey(plugin.id, "plugin.description"), {
+    defaultValue: plugin.description ?? "",
+  });
+}
diff --git a/src/ui/onboarding/steps/PluginsStep.tsx b/src/ui/onboarding/steps/PluginsStep.tsx
index 22435e56b..a0bd4071d 100644
--- a/src/ui/onboarding/steps/PluginsStep.tsx
+++ b/src/ui/onboarding/steps/PluginsStep.tsx
@@ -20,6 +20,7 @@ import {
   recommendedChoices,
 } from "../plugin-choices";
 import { DocsLink } from "@/components/docs-link";
+import { pluginDescription, pluginName } from "@/lib/plugin-i18n";
 
 const CATEGORY_ORDER = [
   "Terminal",
@@ -79,8 +80,8 @@ export function PluginsStep({
   }, [list, choices]);
 
   const names = useMemo(
-    () => new Map(list?.plugins.map((p) => [p.id, p.name]) ?? []),
-    [list],
+    () => new Map(list?.plugins.map((p) => [p.id, pluginName(t, p)]) ?? []),
+    [list, t],
   );
 
   const changed = useMemo(() => {
@@ -260,7 +261,7 @@ export function PluginsStep({
                   />
                   <div className="flex min-w-0 flex-col gap-0.5">
                     <span className="flex items-center gap-1.5 text-xs font-medium">
-                      {plugin.name}
+                      {pluginName(t, plugin)}
                       {plugin.recommended && (
                         <span className="border border-accent-brand/40 px-1 text-[9px] font-semibold uppercase tracking-wider text-accent-brand">
                           {t("onboarding.pluginsRecommended")}
@@ -268,7 +269,7 @@ export function PluginsStep({
                       )}
                     </span>
                     <span className="text-[10px] leading-snug text-muted-foreground">
-                      {plugin.description}
+                      {pluginDescription(t, plugin)}
                     </span>
                     {forcedBy.has(plugin.id) && (
                       <span className="text-[10px] text-accent-brand">
@@ -281,7 +282,7 @@ export function PluginsStep({
                 </div>
                 <div
                   role="radiogroup"
-                  aria-label={plugin.name}
+                  aria-label={pluginName(t, plugin)}
                   className="flex shrink-0 border border-border"
                 >
                   {CHOICES.map((option) => (
@@ -335,9 +336,11 @@ export function PluginsStep({
                   }
                 />
                 <div className="flex flex-col gap-0.5">
-                  <span className="text-xs font-medium">{plugin.name}</span>
+                  <span className="text-xs font-medium">
+                    {pluginName(t, plugin)}
+                  </span>
                   <span className="text-[10px] leading-snug text-muted-foreground">
-                    {plugin.description}
+                    {pluginDescription(t, plugin)}
                   </span>
                   <span className="text-[10px] text-muted-foreground/80">
                     {t("onboarding.pluginsConsentNote")}
diff --git a/src/ui/plugin-host/PluginViewPlaceholder.tsx b/src/ui/plugin-host/PluginViewPlaceholder.tsx
index b8d411b06..2fb14ead2 100644
--- a/src/ui/plugin-host/PluginViewPlaceholder.tsx
+++ b/src/ui/plugin-host/PluginViewPlaceholder.tsx
@@ -2,6 +2,7 @@ import { CircleSlash } from "lucide-react";
 import { useTranslation } from "react-i18next";
 import { Button } from "@/components/button";
 import { usePermissions } from "@/hooks/use-permissions";
+import { pluginName } from "@/lib/plugin-i18n";
 import { OPEN_PLUGINS_EVENT } from "@/plugins/open-plugins";
 import { usePluginStore } from "./plugin-store";
 import { unregisteredViewStatus, type ViewKind } from "./view-ownership";
@@ -27,7 +28,7 @@ export function PluginViewPlaceholder({
   usePluginStore();
   const { has } = usePermissions();
   const { status, owner } = unregisteredViewStatus(kind, viewId);
-  const name = owner?.summary.name ?? viewId;
+  const name = owner ? pluginName(t, owner.summary) : viewId;
 
   if (status === "loading") {
     return (
diff --git a/src/ui/plugin-host/scope.tsx b/src/ui/plugin-host/scope.tsx
index fc7283375..060065e89 100644
--- a/src/ui/plugin-host/scope.tsx
+++ b/src/ui/plugin-host/scope.tsx
@@ -10,6 +10,7 @@ import {
 } from "react";
 import { scopeHostFields } from "./host-scope";
 import { useTranslation } from "react-i18next";
+import { pluginName } from "@/lib/plugin-i18n";
 import { getPluginRecord } from "./plugin-store";
 
 const PluginScopeContext = createContext<string | null>(null);
@@ -27,7 +28,8 @@ function CrashNotice({
   onRetry: () => void;
 }) {
   const { t } = useTranslation();
-  const name = getPluginRecord(pluginId)?.summary.name ?? pluginId;
+  const summary = getPluginRecord(pluginId)?.summary;
+  const name = summary ? pluginName(t, summary) : pluginId;
   return (
     <div className="flex flex-col items-center justify-center gap-2 p-4 text-center text-sm text-muted-foreground">
       <span>{t("plugins.runtime.crashed", { name })}</span>
diff --git a/src/ui/plugins/use-plugins-manager.ts b/src/ui/plugins/use-plugins-manager.ts
index e645fb008..7c0debd33 100644
--- a/src/ui/plugins/use-plugins-manager.ts
+++ b/src/ui/plugins/use-plugins-manager.ts
@@ -25,6 +25,7 @@ import {
   type RegistryListing,
 } from "@/api/plugins-api";
 import { useConfirm } from "@/components/surface/surface-scope";
+import { pluginDescription, pluginName } from "@/lib/plugin-i18n";
 import { mergePlugins, uploadEntry, type PluginEntry } from "./plugin-model";
 import type { ConsentRequest } from "./PluginConsentPrompt";
 
@@ -109,9 +110,16 @@ export function usePluginsManager() {
       window.removeEventListener(DEVELOPER_MODE_CHANGED_EVENT, onChange);
   }, []);
 
+  // Named in the UI language once here, so lists, sorting, search, dialogs
+  // and toasts all show the same name.
   const plugins = useMemo(
-    () => mergePlugins(installed, registry?.plugins ?? null),
-    [installed, registry],
+    () =>
+      mergePlugins(installed, registry?.plugins ?? null).map((plugin) => ({
+        ...plugin,
+        name: pluginName(t, plugin),
+        description: pluginDescription(t, plugin),
+      })),
+    [installed, registry, t],
   );
 
   const run = useCallback(
diff --git a/src/ui/settings/FeatureSettingsSections.tsx b/src/ui/settings/FeatureSettingsSections.tsx
index b1047924a..8b05c2e07 100644
--- a/src/ui/settings/FeatureSettingsSections.tsx
+++ b/src/ui/settings/FeatureSettingsSections.tsx
@@ -11,7 +11,7 @@ import { toast } from "sonner";
 import { Button } from "@/components/button";
 import { SectionCard } from "@/components/section-card";
 import { AccordionSection } from "@/sidebar/AdminSettingsShared";
-import { pluginKey } from "@/lib/plugin-i18n";
+import { pluginKey, pluginName } from "@/lib/plugin-i18n";
 import { PluginIcon } from "@/lib/plugin-icon";
 import {
   getPluginAdminSettings,
@@ -68,9 +68,7 @@ export function FeatureSettingsSection({
   const { t } = useTranslation();
   return (
     <AccordionSection
-      label={t(pluginKey(plugin.id, "plugin.name"), {
-        defaultValue: plugin.name,
-      })}
+      label={pluginName(t, plugin)}
       icon={<PluginIcon name={plugin.icon} className="size-3.5" />}
       open={open}
       onToggle={onToggle}
@@ -198,9 +196,7 @@ export function FeatureSettingsForm({
       {!running && (
         <div className="border border-warning/40 bg-warning/10 px-3 py-2 text-xs text-warning">
           {t("settings.featureUnavailable", {
-            name: t(pluginKey(plugin.id, "plugin.name"), {
-              defaultValue: plugin.name,
-            }),
+            name: pluginName(t, plugin),
           })}
         </div>
       )}
diff --git a/src/ui/settings/HostPluginSections.tsx b/src/ui/settings/HostPluginSections.tsx
index a3c895596..d4fb2057b 100644
--- a/src/ui/settings/HostPluginSections.tsx
+++ b/src/ui/settings/HostPluginSections.tsx
@@ -15,6 +15,7 @@ import { useTranslation } from "react-i18next";
 import { SectionCard } from "@/components/section-card";
 import { DocsLink } from "@/components/docs-link";
 import { PluginIcon } from "@/lib/plugin-icon";
+import { pluginName } from "@/lib/plugin-i18n";
 import { type PluginSummary } from "@/api/plugins-api";
 import { useInstalledPlugins } from "@/hooks/use-installed-plugins";
 import { usePluginScope } from "@/plugin-host/scope";
@@ -141,13 +142,15 @@ function HostPluginSection({
 
   return (
     <SectionCard
-      title={plugin.name}
+      title={pluginName(t, plugin)}
       icon={<PluginIcon name={plugin.icon} className="size-3.5" />}
       action={<DocsLink href={plugin.docs} />}
     >
       {!running && (
         <div className="my-3 border border-warning/40 bg-warning/10 px-3 py-2 text-xs text-warning">
-          {t("settings.featureUnavailable", { name: plugin.name })}
+          {t("settings.featureUnavailable", {
+            name: pluginName(t, plugin),
+          })}
         </div>
       )}
 
diff --git a/src/ui/settings/SettingsTab.tsx b/src/ui/settings/SettingsTab.tsx
index aa041bf30..2b878b571 100644
--- a/src/ui/settings/SettingsTab.tsx
+++ b/src/ui/settings/SettingsTab.tsx
@@ -18,7 +18,7 @@ import { EmptyState } from "@/components/empty-state";
 import { isElectron } from "@/lib/electron";
 import { reportCoreIssueUrl } from "@/lib/issue-url";
 import { cn } from "@/lib/utils";
-import { pluginKey } from "@/lib/plugin-i18n";
+import { pluginKey, pluginName } from "@/lib/plugin-i18n";
 import { PluginIcon } from "@/lib/plugin-icon";
 import type { Host } from "@/types/ui-types";
 import type { UserPreferences } from "@/main-axios";
@@ -121,9 +121,7 @@ export function SettingsTab({
         id: `plugin:${plugin.id}`,
         band: "plugins",
         labelKey: pluginKey(plugin.id, "plugin.name"),
-        label: t(pluginKey(plugin.id, "plugin.name"), {
-          defaultValue: plugin.name,
-        }),
+        label: pluginName(t, plugin),
         icon: SettingsIcon,
         pluginId: plugin.id,
         searchKeys: fields.flatMap((field) =>
diff --git a/src/ui/settings/UpdatesSettings.tsx b/src/ui/settings/UpdatesSettings.tsx
index f27b76990..dd4930e0a 100644
--- a/src/ui/settings/UpdatesSettings.tsx
+++ b/src/ui/settings/UpdatesSettings.tsx
@@ -22,6 +22,7 @@ import { isElectron } from "@/lib/electron";
 import { isPrerelease } from "@/plugins/plugin-model";
 import { OPEN_PLUGINS_EVENT } from "@/plugins/open-plugins";
 import { docsUrl } from "@/lib/docs";
+import { pluginName } from "@/lib/plugin-i18n";
 import { DesktopUpdatesCard } from "./DesktopUpdatesCard";
 
 const DOCKER_BETA_IMAGE = "ghcr.io/termix-ssh/termix:beta";
@@ -262,7 +263,7 @@ function InstanceUpdates() {
         {betaPlugins.map((plugin) => (
           <SettingRow
             key={plugin.id}
-            label={plugin.name}
+            label={pluginName(t, plugin)}
             description={
               plugin.channel === "beta"
                 ? `v${plugin.version}`
diff --git a/src/ui/settings/host-feature-tabs.tsx b/src/ui/settings/host-feature-tabs.tsx
index 66e89a045..9189a3f7c 100644
--- a/src/ui/settings/host-feature-tabs.tsx
+++ b/src/ui/settings/host-feature-tabs.tsx
@@ -7,6 +7,7 @@
  */
 
 import { PluginIcon } from "@/lib/plugin-icon";
+import { pluginKey } from "@/lib/plugin-i18n";
 import {
   hostEditorSectionList,
   registerHostEditorSection,
@@ -95,7 +96,7 @@ export function syncHostFeatureTabs(plugins: PluginSummary[]): string[] {
       pluginId: plugin.id,
       group: placement?.group ?? host.editorGroup ?? "top",
       order: placement?.order ?? host.editorOrder ?? 100,
-      labelKey: plugin.name,
+      labelKey: pluginKey(plugin.id, "plugin.name"),
       label: plugin.name,
       // Nothing but the plugin's host settings, so it works for defaults too.
       defaults: ownSections.has(plugin.id) ? "only" : true,
diff --git a/src/ui/sidebar/HostEditor.tsx b/src/ui/sidebar/HostEditor.tsx
index e0e2cb3b4..dd2901c94 100644
--- a/src/ui/sidebar/HostEditor.tsx
+++ b/src/ui/sidebar/HostEditor.tsx
@@ -730,7 +730,7 @@ export function HostEditor({
       <EditorSection
         key={id}
         id={id}
-        label={section.label ?? t(section.labelKey)}
+        label={t(section.labelKey, { defaultValue: section.label })}
       >
         <LazySection>
           <Section
diff --git a/src/ui/sidebar/HostManagerTabs.tsx b/src/ui/sidebar/HostManagerTabs.tsx
index cadb1a016..6a4ec937c 100644
--- a/src/ui/sidebar/HostManagerTabs.tsx
+++ b/src/ui/sidebar/HostManagerTabs.tsx
@@ -45,7 +45,7 @@ export interface HostEditorSectionDef {
   pluginId?: string;
   group: "top" | "ssh";
   labelKey: string;
-  /** Already-translated label, used instead of labelKey when set. */
+  /** Shown when labelKey has no translation. */
   label?: string;
   icon?: ComponentType<{ className?: string }>;
   /** Position among the group's tabs, core ones included. */
@@ -88,7 +88,7 @@ function sectionVisible(
 function mergeByOrder(
   core: (HostTab & { order: number })[],
   group: "top" | "ssh",
-  t: (key: string) => string,
+  t: (key: string, options?: { defaultValue?: string }) => string,
   protocols: Record<string, boolean> | undefined,
   defaultsMode = false,
 ): HostTab[] {
@@ -104,7 +104,7 @@ function mergeByOrder(
       const Icon = section.icon;
       return {
         id: section.id,
-        label: section.label ?? t(section.labelKey),
+        label: t(section.labelKey, { defaultValue: section.label }),
         icon: Icon ? <Icon className="size-3" /> : null,
         order: section.order ?? 1000,
       };
@@ -119,7 +119,7 @@ function mergeByOrder(
  * `visible`; without, every registered top tab is listed.
  */
 export function makeHostTabs(
-  t: (key: string) => string,
+  t: (key: string, options?: { defaultValue?: string }) => string,
   protocols?: Record<string, boolean>,
   defaultsMode = false,
 ): HostTab[] {
@@ -146,7 +146,7 @@ export function makeHostTabs(
 }
 
 export function makeHostSshSubTabs(
-  t: (key: string) => string,
+  t: (key: string, options?: { defaultValue?: string }) => string,
   protocols?: Record<string, boolean>,
   defaultsMode = false,
 ): HostTab[] {
@@ -167,7 +167,7 @@ export function makeHostSshSubTabs(
 }
 
 export function makeCredentialTabs(
-  t: (key: string) => string,
+  t: (key: string, options?: { defaultValue?: string }) => string,
 ): CredentialTab[] {
   return [
     {
diff --git a/src/ui/sidebar/HostsPanel.tsx b/src/ui/sidebar/HostsPanel.tsx
index d7ae21e88..af79a50c8 100644
--- a/src/ui/sidebar/HostsPanel.tsx
+++ b/src/ui/sidebar/HostsPanel.tsx
@@ -55,6 +55,7 @@ import type { Host, HostFolder, TabType } from "@/types/ui-types";
 import { sortHostTree, type SortKey } from "@/sidebar/host-sort";
 import { withLiveStatus } from "@/sidebar/live-host-status";
 import { useServerStatus } from "@/lib/ServerStatusContext";
+import { pluginName } from "@/lib/plugin-i18n";
 import { useHostSidebarPreferences } from "@/sidebar/tree/hooks/useHostSidebarPreferences";
 import { useArrangeLock } from "@/sidebar/use-arrange-lock";
 import type {
@@ -816,7 +817,7 @@ export function HostsPanel({
                       }
                       onSelect={(e) => e.preventDefault()}
                     >
-                      {plugin.name}
+                      {pluginName(t, plugin)}
                     </DropdownMenuCheckboxItem>
                   ))}
                   {allTags.length > 0 && (
diff --git a/src/ui/sidebar/InterfacePresetSettings.tsx b/src/ui/sidebar/InterfacePresetSettings.tsx
index b305c69a2..b46da8103 100644
--- a/src/ui/sidebar/InterfacePresetSettings.tsx
+++ b/src/ui/sidebar/InterfacePresetSettings.tsx
@@ -12,6 +12,7 @@ import {
 import { Button } from "@/components/button";
 import { useUiPreferencesContext } from "@/contexts/UiPreferencesContext";
 import { applyPresetSideEffects } from "@/lib/apply-ui-preset";
+import { pluginName } from "@/lib/plugin-i18n";
 import { usePluginStore } from "@/plugin-host/plugin-store";
 import {
   UI_AREA_KEYS,
@@ -67,9 +68,10 @@ export function InterfacePresetSettings({
       )
       .map((area) => {
         const pluginId = area.slice("plugin:".length);
+        const summary = pluginStore.records.get(pluginId)?.summary;
         return {
           key: area,
-          label: pluginStore.records.get(pluginId)?.summary.name ?? pluginId,
+          label: summary ? pluginName(t, summary) : pluginId,
         };
       });
     return [...core, ...plugins];
diff --git a/src/ui/sidebar/tree/SidebarTree.tsx b/src/ui/sidebar/tree/SidebarTree.tsx
index ce5050d1a..4a6d1ffeb 100644
--- a/src/ui/sidebar/tree/SidebarTree.tsx
+++ b/src/ui/sidebar/tree/SidebarTree.tsx
@@ -11,6 +11,7 @@ import {
 import { updatePluginHostSettings } from "@/api/plugins-api";
 import { resetHostToDefaults } from "@/api/host-defaults-api";
 import { PluginIcon } from "@/lib/plugin-icon";
+import { pluginName } from "@/lib/plugin-i18n";
 import { usePluginHostSections } from "@/settings/HostPluginSections";
 import { useTranslation } from "react-i18next";
 import { useVirtualizer } from "@tanstack/react-virtual";
@@ -1284,7 +1285,7 @@ export function SidebarTree({
                         value
                           ? "hosts.enablePluginFeature"
                           : "hosts.disablePluginFeature",
-                        { name: plugin.name },
+                        { name: pluginName(t, plugin) },
                       )}
                     </DropdownMenuItem>
                   )),
@@ -1307,7 +1308,7 @@ export function SidebarTree({
                   { id: "core", label: t("hostDefaults.resetCore") },
                   ...hostSettingPlugins.map((plugin) => ({
                     id: plugin.id,
-                    label: plugin.name,
+                    label: pluginName(t, plugin),
                   })),
                 ].map((option) => (
                   <DropdownMenuItem
diff --git a/src/ui/tests/lib/plugin-i18n.test.ts b/src/ui/tests/lib/plugin-i18n.test.ts
new file mode 100644
index 000000000..07757f05d
--- /dev/null
+++ b/src/ui/tests/lib/plugin-i18n.test.ts
@@ -0,0 +1,58 @@
+import { describe, expect, it } from "vitest";
+import i18next from "i18next";
+import { pluginDescription, pluginName } from "@/lib/plugin-i18n";
+
+async function zhCN() {
+  const i18n = i18next.createInstance();
+  await i18n.init({
+    lng: "zh-CN",
+    fallbackLng: "en",
+    fallbackNS: "translation",
+    resources: {
+      "zh-CN": {
+        translation: { common: { save: "保存" } },
+        "host-metrics": {
+          plugin: { name: "主机指标", description: "查看主机负载" },
+        },
+        "no-description": { plugin: { name: "无描述" } },
+      },
+    },
+  });
+  return i18n.t;
+}
+
+describe("pluginName", () => {
+  it("reads the name from the plugin's own namespace", async () => {
+    const t = await zhCN();
+    expect(pluginName(t, { id: "host-metrics", name: "Host Metrics" })).toBe(
+      "主机指标",
+    );
+  });
+
+  it("falls back to the manifest name when the plugin has no strings", async () => {
+    const t = await zhCN();
+    expect(pluginName(t, { id: "not-loaded", name: "Not Loaded" })).toBe(
+      "Not Loaded",
+    );
+  });
+});
+
+describe("pluginDescription", () => {
+  it("reads the description from the plugin's own namespace", async () => {
+    const t = await zhCN();
+    expect(
+      pluginDescription(t, {
+        id: "host-metrics",
+        description: "See host load",
+      }),
+    ).toBe("查看主机负载");
+  });
+
+  it("falls back to the manifest description, or nothing", async () => {
+    const t = await zhCN();
+    expect(
+      pluginDescription(t, { id: "no-description", description: "Plain" }),
+    ).toBe("Plain");
+    expect(pluginDescription(t, { id: "not-loaded" })).toBe("");
+  });
+});
diff --git a/src/ui/tests/onboarding/steps/PluginsStep.test.tsx b/src/ui/tests/onboarding/steps/PluginsStep.test.tsx
index 3958011ad..18a782e33 100644
--- a/src/ui/tests/onboarding/steps/PluginsStep.test.tsx
+++ b/src/ui/tests/onboarding/steps/PluginsStep.test.tsx
@@ -1,5 +1,7 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { act, fireEvent, render, screen, within } from "@testing-library/react";
+import i18next from "i18next";
+import { I18nextProvider, initReactI18next } from "react-i18next";
 import type { OnboardingPluginList } from "@/api/plugins-api";
 
 const api = vi.hoisted(() => ({
@@ -186,4 +188,38 @@ describe("PluginsStep", () => {
     expect(ok).toBe(true);
     expect(api.applyOnboardingPlugins).toHaveBeenCalledTimes(1);
   });
+
+  it("shows plugin names and descriptions in the UI language", async () => {
+    const i18n = i18next.createInstance();
+    await i18n.use(initReactI18next).init({
+      lng: "zh-CN",
+      fallbackNS: "translation",
+      resources: {
+        "zh-CN": {
+          translation: {},
+          term: { plugin: { name: "终端", description: "终端插件" } },
+          stats: { plugin: { name: "统计" } },
+        },
+      },
+    });
+    render(
+      <I18nextProvider i18n={i18n}>
+        <PluginsStep
+          mode="full"
+          isAdmin
+          isDesktop={false}
+          shellReady={false}
+          setCanContinue={() => {}}
+          setBeforeNext={() => {}}
+        />
+      </I18nextProvider>,
+    );
+    expect(await screen.findByText("终端")).toBeTruthy();
+    expect(screen.getByText("终端插件")).toBeTruthy();
+    expect(screen.getByRole("radiogroup", { name: "终端" })).toBeTruthy();
+    expect(screen.getByText("统计")).toBeTruthy();
+    expect(screen.getByText("stats plugin")).toBeTruthy();
+    expect(screen.getByText("BASE")).toBeTruthy();
+    expect(screen.getByText("base plugin")).toBeTruthy();
+  });
 });
diff --git a/src/ui/tests/plugins/use-plugins-manager.test.tsx b/src/ui/tests/plugins/use-plugins-manager.test.tsx
index 0be2b7a25..8cd538c22 100644
--- a/src/ui/tests/plugins/use-plugins-manager.test.tsx
+++ b/src/ui/tests/plugins/use-plugins-manager.test.tsx
@@ -35,9 +35,17 @@ vi.mock("@/api/plugins-api", async (importOriginal) => ({
 vi.mock("@/components/surface/surface-scope", () => ({
   useConfirm: () => vi.fn(async () => true),
 }));
-vi.mock("react-i18next", () => ({
-  useTranslation: () => ({ t: (key: string) => key }),
-}));
+const i18n = vi.hoisted(() => {
+  const strings: Record<string, string> = {
+    "sample-plugin:plugin.name": "示例",
+    "sample-plugin:plugin.description": "一个示例插件",
+  };
+  return {
+    t: (key: string, options?: { defaultValue?: string }) =>
+      strings[key] ?? options?.defaultValue ?? key,
+  };
+});
+vi.mock("react-i18next", () => ({ useTranslation: () => i18n }));
 vi.mock("sonner", () => ({ toast: { error: vi.fn(), success: vi.fn() } }));
 
 import { usePluginsManager } from "@/plugins/use-plugins-manager";
@@ -69,3 +77,33 @@ it("waits for local consent and sends the reviewed version and capabilities", as
     { version: "1.0.0", capabilities: ["kv:own"] },
   );
 });
+
+it("names plugins in the UI language, falling back to the manifest", async () => {
+  api.getPluginRegistry.mockResolvedValueOnce({
+    plugins: [
+      {
+        id: "browse-only",
+        name: "Browse Only",
+        description: "Not installed",
+        author: "someone",
+        category: "Tools",
+        latestVersion: "1.0.0",
+        versions: [],
+        bundled: false,
+      },
+    ],
+    managedByServer: true,
+    registry: {},
+  } as never);
+  const { result } = renderHook(() => usePluginsManager());
+  await waitFor(() => expect(result.current.loading).toBe(false));
+  expect(
+    result.current.plugins.map(({ name, description }) => ({
+      name,
+      description,
+    })),
+  ).toEqual([
+    { name: "示例", description: "一个示例插件" },
+    { name: "Browse Only", description: "Not installed" },
+  ]);
+});
diff --git a/src/ui/tests/settings/host-feature-tabs.test.tsx b/src/ui/tests/settings/host-feature-tabs.test.tsx
index cb44b9b67..78c32d50e 100644
--- a/src/ui/tests/settings/host-feature-tabs.test.tsx
+++ b/src/ui/tests/settings/host-feature-tabs.test.tsx
@@ -33,7 +33,10 @@ vi.mock("@/api/plugins-api", () => ({
 }));
 
 vi.mock("react-i18next", () => ({
-  useTranslation: () => ({ t: (key: string) => key }),
+  useTranslation: () => ({
+    t: (key: string, options?: { defaultValue?: string }) =>
+      options?.defaultValue ?? key,
+  }),
 }));
 
 function plugin(overrides: Partial<PluginSummary> = {}): PluginSummary {
@@ -75,9 +78,10 @@ describe("syncHostFeatureTabs", () => {
       "feature:docker",
       "feature:warpgate",
     ]);
-    expect(getHostEditorSection(hostFeatureTabId("docker"))?.label).toBe(
-      "Docker",
-    );
+    expect(getHostEditorSection(hostFeatureTabId("docker"))).toMatchObject({
+      labelKey: "docker:plugin.name",
+      label: "Docker",
+    });
     expect(getHostEditorSection(hostFeatureTabId("warpgate"))).toBeDefined();
   });